Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual capítulo estava ativo de 1906 a 1991?
 ###Tabelas: CREATE TABLE list_of_chapters (list_of_chapters_id AUTO_INCREMENT PRIMARY KEY, Chapter VARCHAR, Chartered VARCHAR, School VARCHAR, State VARCHAR, Status VARCHAR, Charter Range VARCHAR) CREATE TABLE racial_composition (racial_composition_id AUTO_INCREMENT PRIMARY KEY, Municipality (2010) VARCHAR, White (both Hispanic and Non-Hispanic) INT, Black (Both Hispanic and Non-Hispanic) INT, Amerindian (Both Hispanic and Non-Hispanic) INT, n Asia (Both Hispanic and Non-Hispanic) INT, Multiracial (Both Hispanic and Non-Hispanic) INT, Hispanic (Of any Race) INT) CREATE TABLE west_german_champions_1973–1997 (west_german_champions_1973–1997_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Champions VARCHAR, Score VARCHAR, Runners-up VARCHAR, Venue VARCHAR) CREATE TABLE absentee_cardinals (absentee_cardinals_id AUTO_INCREMENT PRIMARY KEY, Elector VARCHAR, Place of birth VARCHAR, Cardinalatial title VARCHAR, Elevated VARCHAR, Elevator VARCHAR) CREATE TABLE round_robin_results (round_robin_results_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Wins VARCHAR, Losses VARCHAR, Points VARCHAR, WPct. VARCHAR, G.F. VARCHAR, G.A. VARCHAR, Assists VARCHAR, Penalties VARCHAR, P.I.M. VARCHAR)  
SELECT Chapter FROM list_of_chapters WHERE Charter Range = 1906-1991